TY - RPRT TI - Neogene to Quaternary U-Th-Pb geochronology using opal, Yucca Mountain, Nevada, USA AU - Leonid A. Neymark AU - James B. Paces AU - Yu. V. Amelin PY - 1998 DO - 10.1180/minmag.1998.62a.2.230 UR - https://pubs.usgs.gov/publication/70211139 ID - 70211139 ER -